Best apps like 911PROTECTOR+

6+ similar apps compared and reviewed

3.8 avg rating
5 free apps
Updated September 2026

911PROTECTOR+ is great, but it's not the only option. Explore 6+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to 911PROTECTOR+

Blood Oxygen SpO₂ Tracker#3

Blood Oxygen SpO₂ Tracker by Bernhard Hering

Health Trends, Watch & Widgets
Worth Considering
💪 Health & Fitness
3.4😞(128 ratings)
FreeIn-App Purchases
Blood Oxygen SpO₂ Tracker screenshot 1
Blood Oxygen SpO₂ Tracker screenshot 2
Blood Oxygen SpO₂ Tracker screenshot 3
Blood Oxygen SpO₂ Tracker screenshot 4
Blood Oxygen SpO₂ Tracker screenshot 5
Blood Oxygen SpO₂ Tracker screenshot 6

Track your blood oxygen saturation (SpO₂) with smart alerts and historical data. Understand your overall wellness and make informed health decisions with detailed charts and insights on your iPhone and Apple Watch.

What We Love

  • 🚀 Instant blood oxygen readings
  • 👍 Helpful for high altitude regions
  • 🔋 Efficient battery usage

Room to Improve

  • 🐛 Frequent crashes and freezes
  • 🚫 Doesn't work with older Apple Watches
  • 📱 Incompatible with certain iPhone models
  • 💰 Overpriced for limited functionality